237 
CLIFDEN BLUE BUTTERFLY. 
Polyommatus Adonis. 
PLATE XXXIII. Figs. 1. & 2. 
Hesperia Adonis Fab — Pap. Adonis, Lewin, pi. 38. fig. 1-3. 
— Pap. Argus, 5 ■ Donovan, iv. pi. 143. f. 1. — Polyomma- 
tus Adonis, Steph. Jermyn Clifden Blue, Harris. 
Expansion of the wings 14 or 15 lines, the sur- 
face of the male of the purest and moat beautiful 
azure, or silvery blue, changing with the light into 
lilac, the hinder margin of all the wings edged with 
a black line, beyond which there is a white fringe, 
distinctly spotted with brown both above and below. 
The female is brown above, slightly glossed with 
blue at the base, having a small discoidal black spot 
on the primary wings, and on the others a posterior 
fulvous streak, with slightly ocellated spots, some- 
times continued across the margin of the upper 
wings. On the under side, the colour is brownish- 
grey, with the base of the wings greenish-blue, the 
markings disposed nearly as in P. Corydon , but the 
discoidal white spot is small, forming only a trans- 
verse streak. 
Of frequent occurrence in many partB of England, 
especially in the southern counties. It occurs in 
